CN211646471U

CN211646471U - Integral concrete utility tunnel of prefabricated assembly

Info

Publication number: CN211646471U
Application number: CN201922325420.8U
Authority: CN
Inventors: 黄祥; 高名扬; 刘洋; 范晓玲; 刘怡梅
Original assignee: Chengdu Construction Technology Co ltd
Current assignee: Chengdu Construction Technology Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-10-09
Anticipated expiration: 2029-12-21

Abstract

The utility model relates to a prefabricated integral concrete comprehensive pipe rack, which belongs to the technical field of municipal facilities and comprises a plurality of pipe rack bodies, wherein opposite surfaces of adjacent pipe rack bodies are respectively provided with a slot and an inserting strip which are mutually matched, the inner wall of each pipe rack body is provided with a plurality of fixing parts for fixing the inserting strip into the slot, each fixing part comprises an inserting rod, the pipe rack body is provided with a through hole for the inserting rod to pass through, the through hole is communicated with the slot, the inserting strip is provided with a plurality of inserting grooves for the inserting rod to insert, the inserting rod is provided with a connecting piece for fixing the inserting rod into the inserting groove, the inserting rod is inserted into the inserting groove through the through hole, the inserting rod is fixed into the inserting groove through the connecting piece, so that the inserting rod prevents the inserting strip from separating from the slot, and the pipe rack bodies form a whole, thereby improved the stability and the fastness of a plurality of piping lane bodies, improved the fixed effect to a plurality of piping lane bodies.

Description

Integral concrete utility tunnel of prefabricated assembly

Technical Field

The utility model belongs to the technical field of the municipal facilities technique and specifically relates to an integral concrete utility tunnel of prefabricated assembly is related to.

Background

The utility tunnel is the underground city pipeline utility tunnel. The tunnel space is built in the city underground, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the tunnel space is an important infrastructure and a 'life line' for guaranteeing city operation.

The Chinese patent with the granted publication number of CN206646547U discloses a pipe gallery prefabricated part and an assembled comprehensive pipe gallery, which comprise a pipe gallery body, wherein two ends of the pipe gallery body are respectively provided with a socket and a spigot which are matched with each other, and the inner wall of the socket is provided with a sealing groove; the left and right sides of the bottom surface of the pipe gallery body are respectively provided with a sliding chute which is parallel to each other. The utility model also discloses an assembled utility tunnel, including two rail piers that are parallel to each other, fixed mounting is equipped with the slip track on the rail pier, install on the slip track and be equipped with at least two as above and each other splice pipe gallery prefab as an organic whole, two the spout respectively with two the slip track sliding fit; in two adjacent pipe prefabricated members, the spigot of one of the pipe prefabricated members is inserted into the socket of the other pipe prefabricated member, and a sealing ring is arranged in the sealing groove.

The above prior art solutions have the following drawbacks: move on the sliding track through the spout that drives on the piping lane body for the piping lane body drives the socket and inserts to the socket on the adjacent piping lane body in, thereby it is fixed to accomplish the concatenation of a plurality of piping lane bodies, but only adopts socket and the mode of socket to a plurality of piping lane body concatenations, has reduced the stability and the fastness of a plurality of piping lane bodies after the concatenation, has reduced the fixed effect to a plurality of piping lane bodies.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a better integral concrete utility tunnel of prefabricated assembly of stability and fastness.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an integral concrete utility tunnel of prefabricated assembly, includes a plurality of pipe gallery bodies that form of splicing each other, and is adjacent be provided with slot and the cutting of mutually supporting on the face that the pipe gallery body is relative respectively, slot and cutting all set up along the circumference position hoop at pipe gallery body edge, be provided with a plurality of mountings that are used for fixing the cutting to the slot on the inner wall of pipe gallery body, it is a plurality of the mounting is located the position at slot place and evenly sets up along the circumference position of slot, every the mounting all includes the inserted bar, set up the through-hole that is used for supplying the inserted bar to pass on the pipe gallery body, the through-hole with the slot intercommunication sets up, set up a plurality ofly on the cutting and be used for supplying every inserted bar male inserting groove, be provided with on the inserted bar and be used for fixing the connecting piece to the inserted groove with the inserted bar.

Through adopting above-mentioned technical scheme, when needs are fixed with adjacent piping lane body, peg graft to the through-hole in through driving the peg graft pole, and drive the peg graft pole and peg graft to the inserting groove in, fix the peg graft pole to the inserting groove through the connecting piece this moment, make the peg graft pole prevent the cutting break away from in the slot, make a plurality of mountings fix adjacent piping lane body to together, make a plurality of piping lane bodies form a whole, thereby the stability and the fastness of a plurality of piping lane bodies have been improved, the fixed effect to a plurality of piping lane bodies has been improved.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a cell body, connecting piece, connecting groove and recess, the cell body has been seted up towards the inserted bar to the both sides that the inserted bar is located the tip of inserted bar in the inserted groove and is located the inserted bar, the connecting piece is including setting up in both sides first spring in the cell body, the one end of first spring is connected to on the diapire of cell body, the tip that the cell body diapire was kept away from to first spring is provided with the fixed block, the both sides that just are located the inserted groove in the inserted groove have seted up the recess, both sides the recess is used for supplying.

Through adopting above-mentioned technical scheme, when first spring is in the natural state, the fixed block resists the elasticity of first spring and is located outside the cell body, when pegging graft the inserted bar to the inserted groove in, the inserted groove extrusion fixed block removes, make the fixed block drive first spring and be in compression state, when the fixed block removes to the position at recess place, the fixed block can resist the elasticity of first spring and peg graft to the recess in, thereby make fixed block and recess to peg graft and connect the pole and play the effect of stopping towards the outer removal of inserted groove, make the inserted bar fixed to the inserted groove in, thereby make a plurality of piping lane bodies fixed together, peg graft the pole to the inserted groove in can accomplish the automatic fixation who pegs graft and connect the pole, fixed mode is convenient and simple, installer's installation effectiveness has been improved.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a cell body seal structure, including a groove, a groove bottom wall, a fixed block, a slot body, a baffle, a spring, a baffle, a fixed block, a spring, a fixing block, a spring, a.

Through adopting above-mentioned technical scheme, the plate body can resist the elasticity butt joint of first spring to on the baffle to break away from between preventing fixed block and the cell body, the setting of plate body can play the effect of direction to the extension of first spring and compression, prevents that first spring from inclining when extension and compression, thereby prevents that first spring from driving the fixed block slope, makes the fixed block can be better and the recess between the cooperation of pegging graft.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a plug rod, including the spliced groove, the spliced groove sets up the spread groove in the spliced groove, the one end of spread groove is the intercommunication setting with both sides cell body towards the spliced groove in, and the other end runs through the spliced rod sets up, just be located the both sides of spread groove in the spread groove and be provided with the body of rod, both sides the one end of the body of rod is connected to respectively on the plate body of both sides, and the other end extends to set up outside the spread groove.

Through adopting above-mentioned technical scheme, when needs drive the fixed block and shift out in the recess, be close to each other through pressing the both sides body of rod for the both sides body of rod drives the plate body and removes in the cell body, makes the plate body drive both sides fixed block and shifts out in the recess, conveniently dismantles adjacent piping lane body, thereby conveniently changes every piping lane body, accords with actual installation and application.

The present invention may be further configured in a preferred embodiment as: every all be provided with a plurality of second springs between two body of rods in the spread groove, it is a plurality of the second spring evenly sets up along the length direction of the body of rod, every the both ends of second spring are connected to respectively on the body of rod of both sides.

By adopting the technical scheme, when the second spring is in a natural state, the plate body can resist the elastic force of the second spring to drive the fixing block to be inserted into the groove, so that the fixing effect of fixing the fixing block into the groove is improved; when driving two body of rods and being close to each other, the setting of second spring can make each part atress of the body of rod to make when the tip that drives the body of rod removes, can drive whole body of rod and remove in the spread groove, improved the removal effect when the body of rod drives the plate body and removes.

The present invention may be further configured in a preferred embodiment as: the body of rod sets up to extending structure, and extending structure includes that one end is connected to the dead lever on the plate body, peg graft and sliding connection has the telescopic link in the dead lever, the both ends of second spring are connected to respectively on the dead lever of both sides, can dismantle in the spread groove and be connected with and be used for with spread groove confined closure plate.

Through adopting above-mentioned technical scheme, the plate body can seal the spread groove to prevent that the spread groove from exposing and causing the influence to first spring and second spring in the spread groove outward, after taking off the closed plate, can drive the telescopic link and remove in the dead lever, thereby make the telescopic link stretch out outside the spread groove, the person of facilitating the installation drives the body of rod and removes in the spread groove.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a telescopic rod, including the body of rod, be provided with the dead lever in the body of rod, the both ends of third spring are connected to dead lever and telescopic link respectively and keep away from on its grafting position's diapire, be provided with the screw rod of grafting and threaded connection in the spread groove on the closed plate, the closed plate can be dismantled through the screw rod and be connected to in the spread groove.

By adopting the technical scheme, when the second spring is in a compressed state, the telescopic rod can resist the elastic force of the third spring to abut against the sealing plate, and after the sealing plate is taken down from the connecting groove, the telescopic rod can resist the elastic force of the third spring to automatically move out of the connecting groove, so that the whole rod body is further conveniently driven to move; the setting of screw rod is convenient to the closure plate installation to improved the fastness of closure plate in the spread groove, prevented that the telescopic link from resisting the elasticity of third spring and pushing up the closure plate down.

The present invention may be further configured in a preferred embodiment as: this internal and position that is located every closing plate place of piping lane all offers the holding tank that is used for supplying whole closing plate immigration.

Through adopting above-mentioned technical scheme, the holding tank can supply whole closing plate immigration to make the closing plate be located same plane with the inner wall of piping lane plate body, prevent that the closing plate from causing the influence to the installation of pipeline and personnel's walking.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the two side rod bodies are driven to resist the elastic force of the second spring to be close to each other, so that the two side rod bodies drive the fixing blocks on the plate bodies to move into the groove bodies, the inserting rods are inserted into the inserting grooves through the through holes, when the fixing blocks move to the positions where the grooves are located, the rod bodies are loosened, the plate bodies can resist the elastic forces of the first spring and the second spring to drive the fixing blocks to be inserted into the grooves, the inserting rods are fixed into the inserting grooves, the inserting strips are fixed into the inserting grooves through the inserting rods, the plurality of pipe gallery bodies are fixed together, the stability and firmness of the spliced plurality of pipe gallery bodies are improved, and the installation and the disassembly of the plurality of pipe gallery bodies are facilitated;

2. drive the screw rod with the closure plate and twist to the spread groove in for the telescopic link resists the elasticity of third spring and removes in the dead lever, seals the spread groove, prevents that the spread groove from exposing and causing the damage to first spring, second spring and third spring outward, and the closure plate can be removed to the holding tank in, thereby prevents that the closure plate from causing the influence to the use of piping lane body.

Drawings

FIG. 1 is a schematic view of the overall structure;

FIG. 2 is a schematic cross-sectional view;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a pipe gallery body; 11. a slot; 111. cutting; 112. inserting grooves; 113. a groove; 12. a plug rod; 121. a through hole; 122. a trough body; 123. a first spring; 124. a fixed block; 125. a baffle plate; 126. a plate body; 13. connecting grooves; 131. a rod body; 132. a second spring; 133. fixing the rod; 134. a telescopic rod; 135. a third spring; 14. a closing plate; 141. a screw; 15. and (6) accommodating the tank.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1, do the utility model discloses an integral concrete utility tunnel of prefabricated assembly, pipe gallery body 1 that forms including a plurality of mutual concatenations.

Combine fig. 2 and fig. 3, be provided with slot 11 and the cutting 111 of mutually supporting on the face that adjacent piping lane body 1 is relative respectively, slot 11 and cutting 111 all set up along the circumferential position hoop at piping lane body 1 edge.

With reference to fig. 2 and 3, in order to facilitate the insertion of the insertion strip 111 into the insertion slot 11, the cross section of the insertion slot 11 is configured to be "U" shaped, and the insertion strip 111 is configured to cooperate with the "U" shaped insertion slot 11.

With reference to fig. 2 and 3, in order to fix the slip 111 into the slot 11, a plurality of fixing members for fixing the slip 111 into the slot 11 are disposed on the inner wall of the pipe rack body 1, and the plurality of fixing members are located at the position of the slot 11 and are uniformly disposed along the circumferential position of the slot 11.

With reference to fig. 2 and 3, each fixing member includes an insertion rod 12, a through hole 121 for the insertion rod 12 to pass through is provided on the pipe rack body 1, the through hole 121 is communicated with the slot 11, and a plurality of insertion grooves 112 for each insertion rod 12 to insert are provided on the insert 111.

As shown in fig. 3, in order to prevent the insertion rod 12 from being separated from the insertion groove 112 after being inserted into the insertion groove 112, so that the insertion rod 12 fixes the adjacent pipe gallery bodies 1 together, groove bodies 122 are formed in the end portion of the insertion rod 12 located in the insertion groove 112 and located at two sides of the insertion rod 12 facing the insertion rod 12, first springs 123 are respectively arranged in the groove bodies 122 at two sides, one end of each first spring 123 is connected to the bottom wall of the groove body 122, a fixing block 124 is arranged at the end portion of each first spring 123 far away from the bottom wall of the groove body 122, grooves 113 are formed in the insertion groove 112 and located at two sides of the insertion groove 112, and the grooves 113 at two sides are respectively used for allowing the fixing blocks 124 at two sides to resist the elastic force of the first.

When needs are fixed with adjacent pipe gallery body 1, insert peg 12 to the inserting groove 112 through-hole 121, the fixed piece 124 removal can be extruded to the inserting groove 112, make the fixed piece 124 drive first spring 123 and be in compression state, when the fixed piece 124 removes to the position at recess 113 place, the fixed piece 124 can resist the elasticity of first spring 123 and connect to in the recess 113, thereby make peg 12 fix to the inserting groove 112 in, make peg 12 fix the cutting 111 to the inserting groove 112 in, thereby make the cutting 111 fix to the slot 11 in, make a plurality of pipe gallery bodies 1 fixed together, stability and fastness after having improved a plurality of pipe gallery bodies 1 and spliced.

As shown in fig. 3, in the embodiment, in order to facilitate the fixing block 124 to move into the insertion groove 112, an end of the fixing block 124 away from the first spring 123 is disposed in a semi-spherical shape, and the groove 113 is disposed in cooperation with the semi-spherical fixing block 124.

As shown in fig. 3, in order to prevent the first spring 123 from inclining during stretching and compressing, a baffle 125 for closing the slot 122 is arranged at the end of the insertion rod 12 located in the insertion groove 112 and at two sides of the insertion rod 12, the fixing block 124 is inserted and slidably connected to the baffle 125, a plate body 126 for abutting against the baffle 125 is arranged at the end of the first spring 123 far from the bottom wall of the slot body 122, and the fixing block 124 is arranged on the surface of the plate body 126 away from the first spring 123; the plate 126 can move in the groove 122 to guide the extension and compression of the first spring 123, so that the first spring 123 is prevented from driving the fixing block 124 to incline, and the insertion matching effect between the fixing block 124 and the groove 113 is improved.

As shown in fig. 3, in order to conveniently drive the two side fixing blocks 124 to move out of the groove 113, thereby disassembling the plurality of pipe gallery bodies 1, the connecting groove 13 is formed in the end portion of the inserting rod 12 outside the inserting groove 112 toward the inserting rod 12, one end of the connecting groove 13 is communicated with the two side groove bodies 122, the other end of the connecting groove 13 runs through the inserting rod 12, the two sides of the connecting groove 13 are provided with the rod bodies 131, one ends of the two side rod bodies 131 are respectively connected to the two side plate bodies 126, and the other end of the connecting groove 13 extends to the outside.

When needs are unpacked apart adjacent piping lane body 1, the elasticity that resists first spring 123 through driving the both sides body of rod 131 is close to each other, make the body of rod 131 drive both sides plate body 126 and be close to each other in cell body 122, make plate body 126 drive fixed block 124 and shift out in recess 113, shift out peg rod 12 in inserting groove 112, can drive cutting 111 and shift out in slot 11 this moment, thereby conveniently drive adjacent piping lane body 1 and separate, conveniently change piping lane body 1.

As shown in fig. 3, in order to further improve the insertion effect of the fixing block 124 inserted into the groove 113, a plurality of second springs 132 are disposed between the two rods 131 in each connecting groove 13, the plurality of second springs 132 are uniformly disposed along the length direction of the rods 131, and two ends of each second spring 132 are respectively connected to the rods 131 on two sides.

When the second spring 132 is in a compressed state, the rod 131 can resist the elastic forces of the first spring 123 and the second spring 132 to drive the fixing block 124 to be inserted into the groove 113, so that the insertion effect of inserting the fixing block 124 into the groove 113 is improved, and the fixing effect of the insertion rod 12 fixed into the insertion groove 112 is indirectly improved.

As shown in fig. 3, in order to close the coupling groove 13, a closing plate 14 for closing the coupling groove 13 is detachably attached inside the coupling groove 13; in order to prevent the rod 131 from affecting the installation of the closing plate 14, the rod 131 is a telescopic structure, the telescopic structure includes a fixing rod 133 having one end connected to the plate 126, a telescopic rod 134 is inserted into the fixing rod 133 and slidably connected thereto, and two ends of the second spring 132 are respectively connected to the fixing rods 133 at two sides.

As shown in fig. 3, in order to drive the telescopic rod 134 to automatically extend out of the connecting slot 13 after the closing plate 14 is removed from the connecting slot 13, so as to facilitate the operator to move the whole rod 131, a third spring 135 is disposed in the rod 131, and two ends of the third spring 135 are respectively connected to the bottom walls of the fixing rod 133 and the telescopic rod 134 away from the inserting position thereof; when the third spring 135 is in a compressed state, the extension rod 134 can resist the elastic force of the third spring 135 to abut against the closing plate 14, and when the closing plate 14 is taken down, the extension rod 134 can resist the elastic force of the third spring 135 to move out of the connecting groove 13, so that the movement of an operator is facilitated.

The closing plate 14 is provided with a screw rod 141 inserted into the connecting groove 13 in a threaded manner, and the closing plate 14 is detachably connected into the connecting groove 13 through the screw rod 141; when the connecting groove 13 is sealed by the sealing plate 14, the sealing plate 14 is driven by the screw rod 141 to be screwed into the connecting groove 13, the firmness of the sealing plate 14 on the connecting groove 13 is improved by the aid of the screw rod 141, and the sealing plate 14 is convenient to mount and dismount.

As shown in fig. 3, in order to drive the closing plate 14 and the surfaces of the pipe rack body 1 to be on the same plane, and to prevent the closing plate 14 from affecting the use of the pipe rack body 1, an accommodating groove 15 for allowing the whole closing plate 14 to move in is provided in the pipe rack body 1 and at the position where each closing plate 14 is located.

The implementation principle of the embodiment is as follows: when a plurality of adjacent pipe gallery bodies 1 need to be fixed together, the rod bodies 131 on two sides are driven to resist the elastic force of the second spring 132 to approach each other, so that the rod bodies 131 on two sides drive the fixing blocks 124 on the plate bodies 126 to move into the groove bodies 122, the inserting rod 12 is inserted into the inserting groove 112 through the through holes 121, when the fixing blocks 124 move to the positions of the grooves 113, the rod bodies 131 are loosened, the plate bodies 126 can drive the fixing blocks 124 to be inserted into the grooves 113 against the elastic force of the first spring 123 and the second spring 132, so that the inserting rod 12 is fixed into the inserting groove 112, the inserting rod 111 is fixed into the slot 11 by the inserting rod 12, the sealing plate 14 drives the screw rod 141 to be screwed into the connecting groove 13, the telescopic rod 134 moves in the fixing rod 133 against the elastic force of the third spring 135, the sealing plate 14 can seal the connecting groove 13 and drive the sealing plate 14 to move into the accommodating groove 15, the inserted link 12 can be fixed a plurality of pipe gallery bodies 1 to together, has improved the stability and the fastness of a plurality of pipe gallery bodies 1 after the concatenation to insert inserted link 12 to the inserting groove 112 in can accomplish the fixed to cutting 111 and slot 11, the convenience is installed and is dismantled a plurality of pipe gallery bodies 1, has improved installer's installation and dismantlement efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an integral concrete utility tunnel of prefabricated assembly, includes a plurality of pipe gallery bodies (1) that splice each other and form, its characterized in that: the opposite surfaces of the adjacent pipe gallery bodies (1) are respectively provided with a slot (11) and an inserting strip (111) which are matched with each other, the inserting grooves (11) and the inserting strips (111) are arranged annularly along the circumferential position of the edge of the pipe gallery body (1), a plurality of fixing pieces used for fixing the inserting strips (111) into the inserting grooves (11) are arranged on the inner wall of the pipe gallery body (1), the fixing pieces are positioned at the positions of the inserting grooves (11) and are uniformly arranged along the circumferential positions of the inserting grooves (11), each fixing piece comprises an inserting rod (12), a through hole (121) for the insertion rod (12) to pass through is arranged on the pipe gallery body (1), the through hole (121) is communicated with the slot (11), the inserting strip (111) is provided with a plurality of inserting grooves (112) for inserting each inserting rod (12), the plug rod (12) is provided with a connecting piece used for fixing the plug rod (12) into the plug groove (112).

2. The prefabricated integral concrete utility tunnel of claim 1, wherein: the end part of the insertion rod (12) located in the insertion groove (112) and two sides of the insertion rod (12) are provided with groove bodies (122) towards the insertion rod (12), the connecting piece comprises first springs (123) arranged on the two sides in the groove bodies (122), one end of each first spring (123) is connected to the bottom wall of each groove body (122), the end part, far away from the bottom wall of each groove body (122), of each first spring (123) is provided with a fixing block (124), the two sides, located in the insertion groove (112), of each insertion groove (112) are provided with grooves (113), and the grooves (113) are respectively used for enabling the fixing blocks (124) on the two sides to resist the elastic force of the first springs (123) to move in.

3. The prefabricated integral concrete utility tunnel of claim 2, wherein: the end part of the insertion rod (12) located in the insertion groove (112) is provided with a baffle (125) used for sealing the groove body (122) on two sides of the insertion rod (12), the fixing block (124) penetrates through and is connected to the baffle (125) in a sliding mode, the end part of the first spring (123) far away from the bottom wall of the groove body (122) is provided with a plate body (126) used for being abutted to the baffle (125), and the fixing block (124) is arranged on the surface of the plate body (126) far away from the first spring (123).

4. The prefabricated integral concrete utility tunnel of claim 3, wherein: the utility model discloses a board body, including spliced pole (12), one end and both sides cell body (122), spliced pole (12) have seted up spread groove (13) in spliced groove (112) outer tip towards spliced pole (12), the one end and the both sides cell body (122) of spread groove (13) are the intercommunication setting, and the other end runs through spliced pole (12) sets up, the both sides that just are located spread groove (13) in spread groove (13) are provided with the body of rod (131), both sides the one end of the body of rod (131) is connected to respectively on both sides plate body (126), and the other end extends to spread groove (13).

5. The prefabricated integral concrete utility tunnel of claim 4, wherein: every all be provided with a plurality of second springs (132) between two body of rod (131) in spread groove (13), it is a plurality of second spring (132) evenly set up along the length direction of the body of rod (131), every the both ends of second spring (132) are connected to respectively on the body of rod (131) of both sides.

6. The prefabricated integral concrete utility tunnel of claim 5, wherein: the utility model discloses a connection groove (13) of a plate body, but the body of rod (131) sets up to extending structure, and extending structure includes that one end is connected to dead lever (133) on plate body (126), peg graft and sliding connection has telescopic link (134) in dead lever (133), the both ends of second spring (132) are connected to respectively on both sides dead lever (133), can dismantle in connecting groove (13) and be connected with and be used for with connecting groove (13) confined closing plate (14).

7. The prefabricated integral concrete utility tunnel of claim 6, wherein: be provided with third spring (135) in the body of rod (131), the both ends of third spring (135) are connected to dead lever (133) and telescopic link (134) respectively and keep away from on its diapire of grafting position, be provided with screw rod (141) of grafting and threaded connection in spread groove (13) on closing plate (14), closing plate (14) can be dismantled through screw rod (141) and be connected to in spread groove (13).

8. The prefabricated integral concrete utility tunnel of claim 7, wherein: the pipe gallery comprises a pipe gallery body (1), wherein a containing groove (15) used for allowing the whole closing plate (14) to move in is formed in the position where each closing plate (14) is located.